245 	int major;  member
250 static inline int major_to_index(unsigned major)  in major_to_index()  argument
252 	return major % BLKDEV_MAJOR_HASH_SIZE;  in major_to_index()
263 			seq_printf(seqf, "%3d %s\n", dp->major, dp->name);  in blkdev_show()
285 int register_blkdev(unsigned int major, const char *name)  in register_blkdev()  argument
293 	if (major == 0) {  in register_blkdev()
305 		major = index;  in register_blkdev()
306 		ret = major;  in register_blkdev()
315 	p->major = major;  in register_blkdev()
318 	index = major_to_index(major);  in register_blkdev()
321 		if ((*n)->major == major)  in register_blkdev()
331 		       major, name);  in register_blkdev()
341 void unregister_blkdev(unsigned int major, const char *name)  in unregister_blkdev()  argument
345 	int index = major_to_index(major);  in unregister_blkdev()
349 		if ((*n)->major == major)  in unregister_blkdev()
418 		*devt = MKDEV(disk->major, disk->first_minor + part->partno);  in blk_alloc_devt()
592 	WARN_ON(disk->minors && !(disk->major || disk->first_minor));  in add_disk()
607 	disk->major = MAJOR(devt);  in add_disk()